Failure Analysis for Each Condition
| Symptom | Expected factor | Corrective measure |
|---|---|---|
| When power sliding door is suddenly opened due to malfunction. | When the door is operated by accident or fault is generated in open/close switch. | Check if there's no damage or disconnect in switch |
| Latch assembly fault generated | Check for wiring connection | |
| Check for switch status through analyzing device with service data | ||
| Power sliding door module or body control module faults generated | Reset the power sliding door function by detaching and reinstalling battery or fuse. Check for the wire connection, and inspect in accordance with the DTC procedure. | |
| When the power sliding door does not open or close automatically | The vehicle is not in "P" or in a wrong switch condition. | Check for switch status with analyzing device |
| When the battery voltage is too low for power sliding door module. Higher than 10.5V and 7.5V are required to start and keep the operation, respectively |
Check for the power sliding door module battery, and charge the battery | |
| Blown Fuse (one or two fuses) | Check for blown fuse | |
| Body control module or power sliding door module's faults are generated | Check for DTC code | |
| Latch assembly fault | Check for wiring connection and fuse | |
| Check for outer elements that interfere latch assembly operation | ||
| Motor assembly fault | Test for motor assembly operation | |
| Bent or attached components | Replace the faulted parts | |
| Malfunction of anti-pinch strip (especially when the door does not close | Check of anti-pinch strip and wiring | |
| Defect of wiring | Check for fault, referring the whole circuit | |
| When power is disappeared during the sliding door operation | Defect of wiring | Check for fault in the entire circuit |
| When the battery voltage is too low for Power Sliding Door module Higher than 10.5V and 7.5V are required to start and keep the operation, respectively |
Check for the power sliding door module battery, and charge the battery | |
| When there's malfunction in body control module or power sliding module | Check for DTC code | |
| Motor assembly fault | Test for motor assembly operation | |
| When the sliding door is not closed to 1 stage closed latch position | Door alignment fault Reaction force is normal when the maximum voltage is less than 30A at KDS |
Check for latch and striker alignment |
| Defect of alignment of the stopper | ||
| Check for roller and track alignment | ||
| Bent or attached components | Check for Installed area and replace a required part | |
| When there's malfunction in body control module or power sliding module | Check for DTC code | |
| When repelling the power of sliding door seal is too strong When the maximum voltage is beyond 30A at KDS |
Check for any effect from door seal fault, problem in assembly, or foreign object from outside | |
| Motor assembly fault | Test for motor assembly operation | |
| When closing latch is not unfastened at stage 1 lock position | The vehicle is not in "P" or in a wrong switch condition. | Check for switch status with analyzing device |
| When the battery voltage is too low of Power Sliding Door module Higher than 10.5V and 7.5V are required to start and keep the operation, respectively |
Check for the power sliding door module battery, and charge the battery | |
| Fuse fault | Check for the fuse fault | |
| Assembly fault at closing latch | Check switch with analyzing device | |
| Check if there's any cause that interferes with latch assembly function or any damaged parts | ||
| Resolve the problem using service data, and replace the latch assembly if needed | ||
| Defect of inside and outside handle switch joint | Check for the handle connection of a remote controller | |
| When there's malfunction in body control module or power sliding module | Check for DTC code | |
| Bent or attached components | Check for Installed area and replace a required part | |
| Check KDS if the CAN signal is normal | Check for sensor output | |
| Closing latch is not unfastened at stage 1 locked position while the door is operated normally in manual mode | Unlatch actuator | Check and re-adjust unlatch actuator Replace if needed |
| When Power Sliding Door is not operated through wireless transmitter or Overhead console switch | Defect of fuse (disconnection) | Check the fuse and replace |
| When the battery voltage is too low for Power Sliding Door module Higher than 10.5V and 7.5V are required to start and keep the operation, respectively |
Check for the power sliding door module battery, and charge the battery | |
| Defect of wiring | Check for fault, referring the whole circuit | |
| Malfunction of power unlatch | Defect on latch assembly | Check for outer elements that interferes latch assembly operation |
| Check for service data | ||
| Check for detent and primary switch | ||
| Resolve the problem by referring analyzing procedure | ||
| Defect of actuator that unlocks locked latch | Check the actuator and replace | |
| Defect of wiring | Check for fault, referring the whole circuit | |
| Default of body control module (BCM) | Resolve the problem by referring analyzing procedure | |
| Replace BCM if needed | ||
| Defect of the wireless transmitter | Program modification of the wireless transmitter program | |
| Replace the wireless transmitter if needed | ||
| Defect of the Power Sliding Door control module | Check for DTC code Resolve the problem by referring analyzing procedure |
|
| Defect of the Power Sliding Door motor assembly | Check for outer elements that interferes motor assembly operation | |
| Check for wiring connection | ||
| Replace drive unit | ||
| Resolve the problem by referring analyzing procedure, and replace a motor if needed | ||
| When sliding door cannot maintain the open position | Defect on hold open latch | Check if the sliding door is operated in power open while in the hold open latch mode |
| Check if the hold open latch is in operation | ||
| When excessive force is required using in/outside handle | Tangled cables | Check if it operates manually |
| Check that there is no damage | ||
| When driving part is tightly closed and cannot be separated | Resolve the problem by referring analyzing procedure, and replace the unit assembly if needed | |
| Bent or attached components | Check for Installed area and replace a required part | |
| When the sliding door keeps closing automatically | Defect on locking latch assembly | Check for detent and primary switch and wiring connection |
| Check for any alien object that interferes operation | ||
| Resolve the problem by referring analyzing procedure | ||
| Defect on Power Sliding Door module | Check for DTC code | |
| Defect on wiring (system or vehicle related) | Resolve the problem by referring the whole circuit | |
| When sliding door keeps opening automatically | Defect on Power Sliding Door module | Resolve the problem by checking DTC code and referring the analyzing procedure |
| Defect on wiring (system or vehicle related) | Resolve the problem by referring the whole circuit | |
| Defect on Power Sliding Door assembly (Hall censor) | Defect on sensor output and DTC | |
| Operation of the sliding door is too slow | When the battery voltage is too low for Power Sliding Door module Higher than 10.5V and 7.5V are required to start and keep the operation, respectively |
Check for the power sliding door module battery, and charge the battery |
| Tangled cables | Unit replacement if needed | |
| Bent or attached components | Check the installed area and replace parts as needed | |
| When operating the sliding door on a steep slope | Operate the sliding door manually | |
| Defect on the sliding door motor | Replace the motor assembly if needed | |
| Noise, friction and vibration sound | Existence of alien object inside of the sliding door | Eliminate the object |
| When parts are worn out or loose | Check the loose parts and tightly fasten or replace |